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<div id="overview"><a href="../../../../../api/org/jboss/netty/channel/StaticChannelPipeline.html">View Javadoc</a></div><pre>

<a class="jxr_linenumber" name="1" href="#1">1</a>   <em class="jxr_comment">/*</em>
<a class="jxr_linenumber" name="2" href="#2">2</a>   <em class="jxr_comment"> * Copyright 2009 Red Hat, Inc.</em>
<a class="jxr_linenumber" name="3" href="#3">3</a>   <em class="jxr_comment"> *</em>
<a class="jxr_linenumber" name="4" href="#4">4</a>   <em class="jxr_comment"> * Red Hat licenses this file to you under the Apache License, version 2.0</em>
<a class="jxr_linenumber" name="5" href="#5">5</a>   <em class="jxr_comment"> * (the "License"); you may not use this file except in compliance with the</em>
<a class="jxr_linenumber" name="6" href="#6">6</a>   <em class="jxr_comment"> * License.  You may obtain a copy of the License at:</em>
<a class="jxr_linenumber" name="7" href="#7">7</a>   <em class="jxr_comment"> *</em>
<a class="jxr_linenumber" name="8" href="#8">8</a>   <em class="jxr_comment"> *    <a href="http://www.apache.org/licenses/LICENSE-2.0" target="alexandria_uri">http://www.apache.org/licenses/LICENSE-2.0</a></em>
<a class="jxr_linenumber" name="9" href="#9">9</a>   <em class="jxr_comment"> *</em>
<a class="jxr_linenumber" name="10" href="#10">10</a>  <em class="jxr_comment"> * Unless required by applicable law or agreed to in writing, software</em>
<a class="jxr_linenumber" name="11" href="#11">11</a>  <em class="jxr_comment"> * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT</em>
<a class="jxr_linenumber" name="12" href="#12">12</a>  <em class="jxr_comment"> * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the</em>
<a class="jxr_linenumber" name="13" href="#13">13</a>  <em class="jxr_comment"> * License for the specific language governing permissions and limitations</em>
<a class="jxr_linenumber" name="14" href="#14">14</a>  <em class="jxr_comment"> * under the License.</em>
<a class="jxr_linenumber" name="15" href="#15">15</a>  <em class="jxr_comment"> */</em>
<a class="jxr_linenumber" name="16" href="#16">16</a>  <strong class="jxr_keyword">package</strong> org.jboss.netty.channel;
<a class="jxr_linenumber" name="17" href="#17">17</a>  
<a class="jxr_linenumber" name="18" href="#18">18</a>  <strong class="jxr_keyword">import</strong> java.util.ArrayList;
<a class="jxr_linenumber" name="19" href="#19">19</a>  <strong class="jxr_keyword">import</strong> java.util.HashMap;
<a class="jxr_linenumber" name="20" href="#20">20</a>  <strong class="jxr_keyword">import</strong> java.util.LinkedHashMap;
<a class="jxr_linenumber" name="21" href="#21">21</a>  <strong class="jxr_keyword">import</strong> java.util.List;
<a class="jxr_linenumber" name="22" href="#22">22</a>  <strong class="jxr_keyword">import</strong> java.util.Map;
<a class="jxr_linenumber" name="23" href="#23">23</a>  
<a class="jxr_linenumber" name="24" href="#24">24</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.logging.InternalLogger;
<a class="jxr_linenumber" name="25" href="#25">25</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.logging.InternalLoggerFactory;
<a class="jxr_linenumber" name="26" href="#26">26</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.util.internal.ConversionUtil;
<a class="jxr_linenumber" name="27" href="#27">27</a>  
<a class="jxr_linenumber" name="28" href="#28">28</a>  <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="29" href="#29">29</a>  <em class="jxr_javadoccomment"> * A {@link ChannelPipeline} that might perform better at the cost of</em>
<a class="jxr_linenumber" name="30" href="#30">30</a>  <em class="jxr_javadoccomment"> * disabled dynamic insertion and removal of {@link ChannelHandler}s.</em>
<a class="jxr_linenumber" name="31" href="#31">31</a>  <em class="jxr_javadoccomment"> * An attempt to insert, remove, or replace a handler in this pipeline will</em>
<a class="jxr_linenumber" name="32" href="#32">32</a>  <em class="jxr_javadoccomment"> * trigger an {@link UnsupportedOperationException}.</em>
<a class="jxr_linenumber" name="33" href="#33">33</a>  <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="34" href="#34">34</a>  <em class="jxr_javadoccomment"> * @author &lt;a href="<a href="http://www.jboss.org/netty/" target="alexandria_uri">http://www.jboss.org/netty/</a>"&gt;The Netty Project&lt;/a&gt;</em>
<a class="jxr_linenumber" name="35" href="#35">35</a>  <em class="jxr_javadoccomment"> * @author &lt;a href="<a href="http://gleamynode.net/" target="alexandria_uri">http://gleamynode.net/</a>"&gt;Trustin Lee&lt;/a&gt;</em>
<a class="jxr_linenumber" name="36" href="#36">36</a>  <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="37" href="#37">37</a>  <em class="jxr_javadoccomment"> * @version $Rev: 2267 $, $Date: 2010-05-06 16:00:52 +0900 (Thu, 06 May 2010) $</em>
<a class="jxr_linenumber" name="38" href="#38">38</a>  <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="39" href="#39">39</a>  <em class="jxr_javadoccomment"> */</em>
<a class="jxr_linenumber" name="40" href="#40">40</a>  <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../org/jboss/netty/channel/StaticChannelPipeline.html">StaticChannelPipeline</a> <strong class="jxr_keyword">implements</strong> <a href="../../../../org/jboss/netty/channel/ChannelPipeline.html">ChannelPipeline</a> {
<a class="jxr_linenumber" name="41" href="#41">41</a>  
<a class="jxr_linenumber" name="42" href="#42">42</a>      <em class="jxr_comment">// FIXME Code duplication with DefaultChannelPipeline</em>
<a class="jxr_linenumber" name="43" href="#43">43</a>      <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../org/jboss/netty/logging/InternalLogger.html">InternalLogger</a> logger = InternalLoggerFactory.getInstance(StaticChannelPipeline.<strong class="jxr_keyword">class</strong>);
<a class="jxr_linenumber" name="44" href="#44">44</a>  
<a class="jxr_linenumber" name="45" href="#45">45</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">volatile</strong> <a href="../../../../org/jboss/netty/channel/Channel.html">Channel</a> channel;
<a class="jxr_linenumber" name="46" href="#46">46</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">volatile</strong> <a href="../../../../org/jboss/netty/channel/ChannelSink.html">ChannelSink</a> sink;
<a class="jxr_linenumber" name="47" href="#47">47</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../org/jboss/netty/channel/StaticChannelPipeline.html">StaticChannelHandlerContext</a>[] contexts;
<a class="jxr_linenumber" name="48" href="#48">48</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> lastIndex;
<a class="jxr_linenumber" name="49" href="#49">49</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> Map&lt;String, StaticChannelHandlerContext&gt; name2ctx =
<a class="jxr_linenumber" name="50" href="#50">50</a>          <strong class="jxr_keyword">new</strong> HashMap&lt;String, StaticChannelHandlerContext&gt;(4);
<a class="jxr_linenumber" name="51" href="#51">51</a>  
<a class="jxr_linenumber" name="52" href="#52">52</a>      <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="53" href="#53">53</a>  <em class="jxr_javadoccomment">     * Creates a new pipeline from the specified handlers.</em>
<a class="jxr_linenumber" name="54" href="#54">54</a>  <em class="jxr_javadoccomment">     * The names of the specified handlers are generated automatically;</em>
<a class="jxr_linenumber" name="55" href="#55">55</a>  <em class="jxr_javadoccomment">     * the first handler's name is {@code "0"}, the second handler's name is</em>
<a class="jxr_linenumber" name="56" href="#56">56</a>  <em class="jxr_javadoccomment">     * {@code "1"}, the third handler's name is {@code "2"}, and so on.</em>
<a class="jxr_linenumber" name="57" href="#57">57</a>  <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="58" href="#58">58</a>      <strong class="jxr_keyword">public</strong> <a href="../../../../org/jboss/netty/channel/StaticChannelPipeline.html">StaticChannelPipeline</a>(ChannelHandler... handlers) {
<a class="jxr_linenumber" name="59" href="#59">59</a>          <strong class="jxr_keyword">if</strong> (handlers == <strong class="jxr_keyword">null</strong>) {
<a class="jxr_linenumber" name="60" href="#60">60</a>              <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> NullPointerException(<span class="jxr_string">"handlers"</span>);
<a class="jxr_linenumber" name="61" href="#61">61</a>          }
<a class="jxr_linenumber" name="62" href="#62">62</a>          <strong class="jxr_keyword">if</strong> (handlers.length == 0) {
<a class="jxr_linenumber" name="63" href="#63">63</a>              <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IllegalArgumentException(<span class="jxr_string">"no handlers specified"</span>);
<a class="jxr_linenumber" name="64" href="#64">64</a>          }
<a class="jxr_linenumber" name="65" href="#65">65</a>  
<a class="jxr_linenumber" name="66" href="#66">66</a>          <em class="jxr_comment">// Get the number of first non-null handlers.</em>
<a class="jxr_linenumber" name="67" href="#67">67</a>          <a href="../../../../org/jboss/netty/channel/StaticChannelPipeline.html">StaticChannelHandlerContext</a>[] contexts =
<a class="jxr_linenumber" name="68" href="#68">68</a>              <strong class="jxr_keyword">new</strong> <a href="../../../../org/jboss/netty/channel/StaticChannelPipeline.html">StaticChannelHandlerContext</a>[handlers.length];
<a class="jxr_linenumber" name="69" href="#69">69</a>          <strong class="jxr_keyword">int</strong> nContexts;
<a class="jxr_linenumber" name="70" href="#70">70</a>          <strong class="jxr_keyword">for</strong> (nContexts = 0; nContexts &lt; contexts.length; nContexts ++) {
<a class="jxr_linenumber" name="71" href="#71">71</a>              <a href="../../../../org/jboss/netty/channel/ChannelHandler.html">ChannelHandler</a> h = handlers[nContexts];
<a class="jxr_linenumber" name="72" href="#72">72</a>              <strong class="jxr_keyword">if</strong> (h == <strong class="jxr_keyword">null</strong>) {
<a class="jxr_linenumber" name="73" href="#73">73</a>                  <strong class="jxr_keyword">break</strong>;
<a class="jxr_linenumber" name="74" href="#74">74</a>              }
<a class="jxr_linenumber" name="75" href="#75">75</a>          }
<a class="jxr_linenumber" name="76" href="#76">76</a>  
<a class="jxr_linenumber" name="77" href="#77">77</a>          <strong class="jxr_keyword">if</strong> (nContexts == contexts.length) {
<a class="jxr_linenumber" name="78" href="#78">78</a>              <strong class="jxr_keyword">this</strong>.contexts = contexts;
<a class="jxr_linenumber" name="79" href="#79">79</a>              lastIndex = contexts.length - 1;
<a class="jxr_linenumber" name="80" href="#80">80</a>          } <strong class="jxr_keyword">else</strong> {
<a class="jxr_linenumber" name="81" href="#81">81</a>              <strong class="jxr_keyword">this</strong>.contexts = contexts =
<a class="jxr_linenumber" name="82" href="#82">82</a>                  <strong class="jxr_keyword">new</strong> <a href="../../../../org/jboss/netty/channel/StaticChannelPipeline.html">StaticChannelHandlerContext</a>[nContexts];
<a class="jxr_linenumber" name="83" href="#83">83</a>              lastIndex = nContexts - 1;
<a class="jxr_linenumber" name="84" href="#84">84</a>          }
<a class="jxr_linenumber" name="85" href="#85">85</a>  
<a class="jxr_linenumber" name="86" href="#86">86</a>          <em class="jxr_comment">// Initialize the first non-null handlers only.</em>
<a class="jxr_linenumber" name="87" href="#87">87</a>          <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0; i &lt; nContexts; i ++) {
<a class="jxr_linenumber" name="88" href="#88">88</a>              <a href="../../../../org/jboss/netty/channel/ChannelHandler.html">ChannelHandler</a> h = handlers[i];
<a class="jxr_linenumber" name="89" href="#89">89</a>              String name = ConversionUtil.toString(i);
<a class="jxr_linenumber" name="90" href="#90">90</a>              <a href="../../../../org/jboss/netty/channel/StaticChannelPipeline.html">StaticChannelHandlerContext</a> ctx =
<a class="jxr_linenumber" name="91" href="#91">91</a>                  <strong class="jxr_keyword">new</strong> <a href="../../../../org/jboss/netty/channel/StaticChannelPipeline.html">StaticChannelHandlerContext</a>(i, name, h);
<a class="jxr_linenumber" name="92" href="#92">92</a>              contexts[i] = ctx;
<a class="jxr_linenumber" name="93" href="#93">93</a>              name2ctx.put(name, ctx);
<a class="jxr_linenumber" name="94" href="#94">94</a>          }
<a class="jxr_linenumber" name="95" href="#95">95</a>  
<a class="jxr_linenumber" name="96" href="#96">96</a>          <strong class="jxr_keyword">for</strong> (ChannelHandlerContext ctx: contexts) {
<a class="jxr_linenumber" name="97" href="#97">97</a>              callBeforeAdd(ctx);
<a class="jxr_linenumber" name="98" href="#98">98</a>              callAfterAdd(ctx);
<a class="jxr_linenumber" name="99" href="#99">99</a>          }
<a class="jxr_linenumber" name="100" href="#100">100</a>     }
<a class="jxr_linenumber" name="101" href="#101">101</a> 
<a class="jxr_linenumber" name="102" href="#102">102</a>     <strong class="jxr_keyword">public</strong> <a href="../../../../org/jboss/netty/channel/Channel.html">Channel</a> getChannel() {
<a class="jxr_linenumber" name="103" href="#103">103</a>         <strong class="jxr_keyword">return</strong> channel;
<a class="jxr_linenumber" name="104" href="#104">104</a>     }
<a class="jxr_linenumber" name="105" href="#105">105</a> 
<a class="jxr_linenumber" name="106" href="#106">106</a>     <strong class="jxr_keyword">public</strong> <a href="../../../../org/jboss/netty/channel/ChannelSink.html">ChannelSink</a> getSink() {
<a class="jxr_linenumber" name="107" href="#107">107</a>         <a href="../../../../org/jboss/netty/channel/ChannelSink.html">ChannelSink</a> sink = <strong class="jxr_keyword">this</strong>.sink;
<a class="jxr_linenumber" name="108" href="#108">108</a>         <strong class="jxr_keyword">if</strong> (sink == <strong class="jxr_keyword">null</strong>) {
<a class="jxr_linenumber" name="109" href="#109">109</a>             <strong class="jxr_keyword">return</strong> DefaultChannelPipeline.discardingSink;
<a class="jxr_linenumber" name="110" href="#110">110</a>         }
<a class="jxr_linenumber" name="111" href="#111">111</a>         <strong class="jxr_keyword">return</strong> sink;
<a class="jxr_linenumber" name="112" href="#112">112</a>     }
<a class="jxr_linenumber" name="113" href="#113">113</a> 
<a class="jxr_linenumber" name="114" href="#114">114</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> attach(<a href="../../../../org/jboss/netty/channel/Channel.html">Channel</a> channel, <a href="../../../../org/jboss/netty/channel/ChannelSink.html">ChannelSink</a> sink) {
<a class="jxr_linenumber" name="115" href="#115">115</a>         <strong class="jxr_keyword">if</strong> (channel == <strong class="jxr_keyword">null</strong>) {
<a class="jxr_linenumber" name="116" href="#116">116</a>             <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> NullPointerException(<span class="jxr_string">"channel"</span>);
<a class="jxr_linenumber" name="117" href="#117">117</a>         }
<a class="jxr_linenumber" name="118" href="#118">118</a>         <strong class="jxr_keyword">if</strong> (sink == <strong class="jxr_keyword">null</strong>) {
<a class="jxr_linenumber" name="119" href="#119">119</a>             <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> NullPointerException(<span class="jxr_string">"sink"</span>);
<a class="jxr_linenumber" name="120" href="#120">120</a>         }
<a class="jxr_linenumber" name="121" href="#121">121</a>         <strong class="jxr_keyword">if</strong> (<strong class="jxr_keyword">this</strong>.channel != <strong class="jxr_keyword">null</strong> || <strong class="jxr_keyword">this</strong>.sink != <strong class="jxr_keyword">null</strong>) {
<a class="jxr_linenumber" name="122" href="#122">122</a>             <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IllegalStateException(<span class="jxr_string">"attached already"</span>);
<a class="jxr_linenumber" name="123" href="#123">123</a>         }
<a class="jxr_linenumber" name="124" href="#124">124</a>         <strong class="jxr_keyword">this</strong>.channel = channel;
<a class="jxr_linenumber" name="125" href="#125">125</a>         <strong class="jxr_keyword">this</strong>.sink = sink;
<a class="jxr_linenumber" name="126" href="#126">126</a>     }
<a class="jxr_linenumber" name="127" href="#127">127</a> 
<a class="jxr_linenumber" name="128" href="#128">128</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">boolean</strong> isAttached() {
<a class="jxr_linenumber" name="129" href="#129">129</a>         <strong class="jxr_keyword">return</strong> sink != <strong class="jxr_keyword">null</strong>;
<a class="jxr_linenumber" name="130" href="#130">130</a>     }
<a class="jxr_linenumber" name="131" href="#131">131</a> 
<a class="jxr_linenumber" name="132" href="#132">132</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> addFirst(String name, <a href="../../../../org/jboss/netty/channel/ChannelHandler.html">ChannelHandler</a> handler) {
<a class="jxr_linenumber" name="133" href="#133">133</a>         <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> UnsupportedOperationException();
<a class="jxr_linenumber" name="134" href="#134">134</a>     }
<a class="jxr_linenumber" name="135" href="#135">135</a> 
<a class="jxr_linenumber" name="136" href="#136">136</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> addLast(String name, <a href="../../../../org/jboss/netty/channel/ChannelHandler.html">ChannelHandler</a> handler) {
<a class="jxr_linenumber" name="137" href="#137">137</a>         <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> UnsupportedOperationException();
<a class="jxr_linenumber" name="138" href="#138">138</a>     }
<a class="jxr_linenumber" name="139" href="#139">139</a> 
<a class="jxr_linenumber" name="140" href="#140">140</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> addBefore(String baseName, String name, <a href="../../../../org/jboss/netty/channel/ChannelHandler.html">ChannelHandler</a> handler) {
<a class="jxr_linenumber" name="141" href="#141">141</a>         <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> UnsupportedOperationException();
<a class="jxr_linenumber" name="142" href="#142">142</a>     }
<a class="jxr_linenumber" name="143" href="#143">143</a> 
<a class="jxr_linenumber" name="144" href="#144">144</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> addAfter(String baseName, String name, <a href="../../../../org/jboss/netty/channel/ChannelHandler.html">ChannelHandler</a> handler) {
<a class="jxr_linenumber" name="145" href="#145">145</a>         <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> UnsupportedOperationException();
<a class="jxr_linenumber" name="146" href="#146">146</a>     }
<a class="jxr_linenumber" name="147" href="#147">147</a> 
<a class="jxr_linenumber" name="148" href="#148">148</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> remove(<a href="../../../../org/jboss/netty/channel/ChannelHandler.html">ChannelHandler</a> handler) {
<a class="jxr_linenumber" name="149" href="#149">149</a>         <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> UnsupportedOperationException();
<a class="jxr_linenumber" name="150" href="#150">150</a>     }
<a class="jxr_linenumber" name="151" href="#151">151</a> 
<a class="jxr_linenumber" name="152" href="#152">152</a>     <strong class="jxr_keyword">public</strong> <a href="../../../../org/jboss/netty/channel/ChannelHandler.html">ChannelHandler</a> remove(String name) {
<a class="jxr_linenumber" name="153" href="#153">153</a>         <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> UnsupportedOperationException();
<a class="jxr_linenumber" name="154" href="#154">154</a>     }
<a class="jxr_linenumber" name="155" href="#155">155</a> 
<a class="jxr_linenumber" name="156" href="#156">156</a>     <strong class="jxr_keyword">public</strong> &lt;T <strong class="jxr_keyword">extends</strong> ChannelHandler&gt; T remove(Class&lt;T&gt; handlerType) {
<a class="jxr_linenumber" name="157" href="#157">157</a>         <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> UnsupportedOperationException();
<a class="jxr_linenumber" name="158" href="#158">158</a>     }
<a class="jxr_linenumber" name="159" href="#159">159</a> 
<a class="jxr_linenumber" name="160" href="#160">160</a>     <strong class="jxr_keyword">public</strong> <a href="../../../../org/jboss/netty/channel/ChannelHandler.html">ChannelHandler</a> removeFirst() {
<a class="jxr_linenumber" name="161" href="#161">161</a>         <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> UnsupportedOperationException();
<a class="jxr_linenumber" name="162" href="#162">162</a>     }
<a class="jxr_linenumber" name="163" href="#163">163</a> 
<a class="jxr_linenumber" name="164" href="#164">164</a>     <strong class="jxr_keyword">public</strong> <a href="../../../../org/jboss/netty/channel/ChannelHandler.html">ChannelHandler</a> removeLast() {
<a class="jxr_linenumber" name="165" href="#165">165</a>         <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> UnsupportedOperationException();
<a class="jxr_linenumber" name="166" href="#166">166</a>     }
<a class="jxr_linenumber" name="167" href="#167">167</a> 
<a class="jxr_linenumber" name="168" href="#168">168</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> replace(<a href="../../../../org/jboss/netty/channel/ChannelHandler.html">ChannelHandler</a> oldHandler, String newName, <a href="../../../../org/jboss/netty/channel/ChannelHandler.html">ChannelHandler</a> newHandler) {
<a class="jxr_linenumber" name="169" href="#169">169</a>         <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> UnsupportedOperationException();
<a class="jxr_linenumber" name="170" href="#170">170</a>     }
<a class="jxr_linenumber" name="171" href="#171">171</a> 
<a class="jxr_linenumber" name="172" href="#172">172</a>     <strong class="jxr_keyword">public</strong> <a href="../../../../org/jboss/netty/channel/ChannelHandler.html">ChannelHandler</a> replace(String oldName, String newName, <a href="../../../../org/jboss/netty/channel/ChannelHandler.html">ChannelHandler</a> newHandler) {
<a class="jxr_linenumber" name="173" href="#173">173</a>         <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> UnsupportedOperationException();
<a class="jxr_linenumber" name="174" href="#174">174</a>     }
<a class="jxr_linenumber" name="175" href="#175">175</a> 
<a class="jxr_linenumber" name="176" href="#176">176</a>     <strong class="jxr_keyword">public</strong> &lt;T <strong class="jxr_keyword">extends</strong> ChannelHandler&gt; T replace(
<a class="jxr_linenumber" name="177" href="#177">177</a>             Class&lt;T&gt; oldHandlerType, String newName, <a href="../../../../org/jboss/netty/channel/ChannelHandler.html">ChannelHandler</a> newHandler) {
<a class="jxr_linenumber" name="178" href="#178">178</a>         <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> UnsupportedOperationException();
<a class="jxr_linenumber" name="179" href="#179">179</a>     }
<a class="jxr_linenumber" name="180" href="#180">180</a> 
<a class="jxr_linenumber" name="181" href="#181">181</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> callBeforeAdd(<a href="../../../../org/jboss/netty/channel/ChannelHandlerContext.html">ChannelHandlerContext</a> ctx) {
<a class="jxr_linenumber" name="182" href="#182">182</a>         <strong class="jxr_keyword">if</strong> (!(ctx.getHandler() instanceof LifeCycleAwareChannelHandler)) {
<a class="jxr_linenumber" name="183" href="#183">183</a>             <strong class="jxr_keyword">return</strong>;
<a class="jxr_linenumber" name="184" href="#184">184</a>         }
<a class="jxr_linenumber" name="185" href="#185">185</a> 
<a class="jxr_linenumber" name="186" href="#186">186</a>         <a href="../../../../org/jboss/netty/channel/LifeCycleAwareChannelHandler.html">LifeCycleAwareChannelHandler</a> h =
<a class="jxr_linenumber" name="187" href="#187">187</a>             (<a href="../../../../org/jboss/netty/channel/LifeCycleAwareChannelHandler.html">LifeCycleAwareChannelHandler</a>) ctx.getHandler();
<a class="jxr_linenumber" name="188" href="#188">188</a> 
<a class="jxr_linenumber" name="189" href="#189">189</a>         <strong class="jxr_keyword">try</strong> {
<a class="jxr_linenumber" name="190" href="#190">190</a>             h.beforeAdd(ctx);
<a class="jxr_linenumber" name="191" href="#191">191</a>         } <strong class="jxr_keyword">catch</strong> (Throwable t) {
<a class="jxr_linenumber" name="192" href="#192">192</a>             <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../org/jboss/netty/channel/ChannelHandlerLifeCycleException.html">ChannelHandlerLifeCycleException</a>(
<a class="jxr_linenumber" name="193" href="#193">193</a>                     h.getClass().getName() +
<a class="jxr_linenumber" name="194" href="#194">194</a>                     <span class="jxr_string">".beforeAdd() has thrown an exception; not adding."</span>, t);
<a class="jxr_linenumber" name="195" href="#195">195</a>         }
<a class="jxr_linenumber" name="196" href="#196">196</a>     }
<a class="jxr_linenumber" name="197" href="#197">197</a> 
<a class="jxr_linenumber" name="198" href="#198">198</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> callAfterAdd(<a href="../../../../org/jboss/netty/channel/ChannelHandlerContext.html">ChannelHandlerContext</a> ctx) {
<a class="jxr_linenumber" name="199" href="#199">199</a>         <strong class="jxr_keyword">if</strong> (!(ctx.getHandler() instanceof LifeCycleAwareChannelHandler)) {
<a class="jxr_linenumber" name="200" href="#200">200</a>             <strong class="jxr_keyword">return</strong>;
<a class="jxr_linenumber" name="201" href="#201">201</a>         }
<a class="jxr_linenumber" name="202" href="#202">202</a> 
<a class="jxr_linenumber" name="203" href="#203">203</a>         <a href="../../../../org/jboss/netty/channel/LifeCycleAwareChannelHandler.html">LifeCycleAwareChannelHandler</a> h =
<a class="jxr_linenumber" name="204" href="#204">204</a>             (<a href="../../../../org/jboss/netty/channel/LifeCycleAwareChannelHandler.html">LifeCycleAwareChannelHandler</a>) ctx.getHandler();
<a class="jxr_linenumber" name="205" href="#205">205</a> 
<a class="jxr_linenumber" name="206" href="#206">206</a>         <strong class="jxr_keyword">try</strong> {
<a class="jxr_linenumber" name="207" href="#207">207</a>             h.afterAdd(ctx);
<a class="jxr_linenumber" name="208" href="#208">208</a>         } <strong class="jxr_keyword">catch</strong> (Throwable t) {
<a class="jxr_linenumber" name="209" href="#209">209</a>             <strong class="jxr_keyword">boolean</strong> removed = false;
<a class="jxr_linenumber" name="210" href="#210">210</a>             <strong class="jxr_keyword">try</strong> {
<a class="jxr_linenumber" name="211" href="#211">211</a>                 callBeforeRemove(ctx);
<a class="jxr_linenumber" name="212" href="#212">212</a>                 callAfterRemove(ctx);
<a class="jxr_linenumber" name="213" href="#213">213</a>                 removed = <strong class="jxr_keyword">true</strong>;
<a class="jxr_linenumber" name="214" href="#214">214</a>             } <strong class="jxr_keyword">catch</strong> (Throwable t2) {
<a class="jxr_linenumber" name="215" href="#215">215</a>                 logger.warn(<span class="jxr_string">"Failed to remove a handler: "</span> + ctx.getName(), t2);
<a class="jxr_linenumber" name="216" href="#216">216</a>             }
<a class="jxr_linenumber" name="217" href="#217">217</a> 
<a class="jxr_linenumber" name="218" href="#218">218</a>             <strong class="jxr_keyword">if</strong> (removed) {
<a class="jxr_linenumber" name="219" href="#219">219</a>                 <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../org/jboss/netty/channel/ChannelHandlerLifeCycleException.html">ChannelHandlerLifeCycleException</a>(
<a class="jxr_linenumber" name="220" href="#220">220</a>                         h.getClass().getName() +
<a class="jxr_linenumber" name="221" href="#221">221</a>                         <span class="jxr_string">".afterAdd() has thrown an exception; removed."</span>, t);
<a class="jxr_linenumber" name="222" href="#222">222</a>             } <strong class="jxr_keyword">else</strong> {
<a class="jxr_linenumber" name="223" href="#223">223</a>                 <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../org/jboss/netty/channel/ChannelHandlerLifeCycleException.html">ChannelHandlerLifeCycleException</a>(
<a class="jxr_linenumber" name="224" href="#224">224</a>                         h.getClass().getName() +
<a class="jxr_linenumber" name="225" href="#225">225</a>                         <span class="jxr_string">".afterAdd() has thrown an exception; also failed to remove."</span>, t);
<a class="jxr_linenumber" name="226" href="#226">226</a>             }
<a class="jxr_linenumber" name="227" href="#227">227</a>         }
<a class="jxr_linenumber" name="228" href="#228">228</a>     }
<a class="jxr_linenumber" name="229" href="#229">229</a> 
<a class="jxr_linenumber" name="230" href="#230">230</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> callBeforeRemove(<a href="../../../../org/jboss/netty/channel/ChannelHandlerContext.html">ChannelHandlerContext</a> ctx) {
<a class="jxr_linenumber" name="231" href="#231">231</a>         <strong class="jxr_keyword">if</strong> (!(ctx.getHandler() instanceof LifeCycleAwareChannelHandler)) {
<a class="jxr_linenumber" name="232" href="#232">232</a>             <strong class="jxr_keyword">return</strong>;
<a class="jxr_linenumber" name="233" href="#233">233</a>         }
<a class="jxr_linenumber" name="234" href="#234">234</a> 
<a class="jxr_linenumber" name="235" href="#235">235</a>         <a href="../../../../org/jboss/netty/channel/LifeCycleAwareChannelHandler.html">LifeCycleAwareChannelHandler</a> h =
<a class="jxr_linenumber" name="236" href="#236">236</a>             (<a href="../../../../org/jboss/netty/channel/LifeCycleAwareChannelHandler.html">LifeCycleAwareChannelHandler</a>) ctx.getHandler();
<a class="jxr_linenumber" name="237" href="#237">237</a> 
<a class="jxr_linenumber" name="238" href="#238">238</a>         <strong class="jxr_keyword">try</strong> {
<a class="jxr_linenumber" name="239" href="#239">239</a>             h.beforeRemove(ctx);
<a class="jxr_linenumber" name="240" href="#240">240</a>         } <strong class="jxr_keyword">catch</strong> (Throwable t) {
<a class="jxr_linenumber" name="241" href="#241">241</a>             <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../org/jboss/netty/channel/ChannelHandlerLifeCycleException.html">ChannelHandlerLifeCycleException</a>(
<a class="jxr_linenumber" name="242" href="#242">242</a>                     h.getClass().getName() +
<a class="jxr_linenumber" name="243" href="#243">243</a>                     <span class="jxr_string">".beforeRemove() has thrown an exception; not removing."</span>, t);
<a class="jxr_linenumber" name="244" href="#244">244</a>         }
<a class="jxr_linenumber" name="245" href="#245">245</a>     }
<a class="jxr_linenumber" name="246" href="#246">246</a> 
<a class="jxr_linenumber" name="247" href="#247">247</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> callAfterRemove(<a href="../../../../org/jboss/netty/channel/ChannelHandlerContext.html">ChannelHandlerContext</a> ctx) {
<a class="jxr_linenumber" name="248" href="#248">248</a>         <strong class="jxr_keyword">if</strong> (!(ctx.getHandler() instanceof LifeCycleAwareChannelHandler)) {
<a class="jxr_linenumber" name="249" href="#249">249</a>             <strong class="jxr_keyword">return</strong>;
<a class="jxr_linenumber" name="250" href="#250">250</a>         }
<a class="jxr_linenumber" name="251" href="#251">251</a> 
<a class="jxr_linenumber" name="252" href="#252">252</a>         <a href="../../../../org/jboss/netty/channel/LifeCycleAwareChannelHandler.html">LifeCycleAwareChannelHandler</a> h =
<a class="jxr_linenumber" name="253" href="#253">253</a>             (<a href="../../../../org/jboss/netty/channel/LifeCycleAwareChannelHandler.html">LifeCycleAwareChannelHandler</a>) ctx.getHandler();
<a class="jxr_linenumber" name="254" href="#254">254</a> 
<a class="jxr_linenumber" name="255" href="#255">255</a>         <strong class="jxr_keyword">try</strong> {
<a class="jxr_linenumber" name="256" href="#256">256</a>             h.afterRemove(ctx);
<a class="jxr_linenumber" name="257" href="#257">257</a>         } <strong class="jxr_keyword">catch</strong> (Throwable t) {
<a class="jxr_linenumber" name="258" href="#258">258</a>             <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../org/jboss/netty/channel/ChannelHandlerLifeCycleException.html">ChannelHandlerLifeCycleException</a>(
<a class="jxr_linenumber" name="259" href="#259">259</a>                     h.getClass().getName() +
<a class="jxr_linenumber" name="260" href="#260">260</a>                     <span class="jxr_string">".afterRemove() has thrown an exception."</span>, t);
<a class="jxr_linenumber" name="261" href="#261">261</a>         }
<a class="jxr_linenumber" name="262" href="#262">262</a>     }
<a class="jxr_linenumber" name="263" href="#263">263</a> 
<a class="jxr_linenumber" name="264" href="#264">264</a>     <strong class="jxr_keyword">public</strong> <a href="../../../../org/jboss/netty/channel/ChannelHandler.html">ChannelHandler</a> getFirst() {
<a class="jxr_linenumber" name="265" href="#265">265</a>         <strong class="jxr_keyword">return</strong> contexts[0].getHandler();
<a class="jxr_linenumber" name="266" href="#266">266</a>     }
<a class="jxr_linenumber" name="267" href="#267">267</a> 
<a class="jxr_linenumber" name="268" href="#268">268</a>     <strong class="jxr_keyword">public</strong> <a href="../../../../org/jboss/netty/channel/ChannelHandler.html">ChannelHandler</a> getLast() {
<a class="jxr_linenumber" name="269" href="#269">269</a>         <strong class="jxr_keyword">return</strong> contexts[contexts.length - 1].getHandler();
<a class="jxr_linenumber" name="270" href="#270">270</a>     }
<a class="jxr_linenumber" name="271" href="#271">271</a> 
<a class="jxr_linenumber" name="272" href="#272">272</a>     <strong class="jxr_keyword">public</strong> <a href="../../../../org/jboss/netty/channel/ChannelHandler.html">ChannelHandler</a> get(String name) {
<a class="jxr_linenumber" name="273" href="#273">273</a>         <a href="../../../../org/jboss/netty/channel/StaticChannelPipeline.html">StaticChannelHandlerContext</a> ctx = name2ctx.get(name);
<a class="jxr_linenumber" name="274" href="#274">274</a>         <strong class="jxr_keyword">if</strong> (ctx == <strong class="jxr_keyword">null</strong>) {
<a class="jxr_linenumber" name="275" href="#275">275</a>             <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">null</strong>;
<a class="jxr_linenumber" name="276" href="#276">276</a>         } <strong class="jxr_keyword">else</strong> {
<a class="jxr_linenumber" name="277" href="#277">277</a>             <strong class="jxr_keyword">return</strong> ctx.getHandler();
<a class="jxr_linenumber" name="278" href="#278">278</a>         }
<a class="jxr_linenumber" name="279" href="#279">279</a>     }
<a class="jxr_linenumber" name="280" href="#280">280</a> 
<a class="jxr_linenumber" name="281" href="#281">281</a>     @SuppressWarnings(<span class="jxr_string">"unchecked"</span>)
<a class="jxr_linenumber" name="282" href="#282">282</a>     <strong class="jxr_keyword">public</strong> &lt;T <strong class="jxr_keyword">extends</strong> ChannelHandler&gt; T get(Class&lt;T&gt; handlerType) {
<a class="jxr_linenumber" name="283" href="#283">283</a>         <a href="../../../../org/jboss/netty/channel/ChannelHandlerContext.html">ChannelHandlerContext</a> ctx = getContext(handlerType);
<a class="jxr_linenumber" name="284" href="#284">284</a>         <strong class="jxr_keyword">if</strong> (ctx == <strong class="jxr_keyword">null</strong>) {
<a class="jxr_linenumber" name="285" href="#285">285</a>             <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">null</strong>;
<a class="jxr_linenumber" name="286" href="#286">286</a>         } <strong class="jxr_keyword">else</strong> {
<a class="jxr_linenumber" name="287" href="#287">287</a>             <strong class="jxr_keyword">return</strong> (T) ctx.getHandler();
<a class="jxr_linenumber" name="288" href="#288">288</a>         }
<a class="jxr_linenumber" name="289" href="#289">289</a>     }
<a class="jxr_linenumber" name="290" href="#290">290</a> 
<a class="jxr_linenumber" name="291" href="#291">291</a>     <strong class="jxr_keyword">public</strong> <a href="../../../../org/jboss/netty/channel/ChannelHandlerContext.html">ChannelHandlerContext</a> getContext(String name) {
<a class="jxr_linenumber" name="292" href="#292">292</a>         <strong class="jxr_keyword">if</strong> (name == <strong class="jxr_keyword">null</strong>) {
<a class="jxr_linenumber" name="293" href="#293">293</a>             <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> NullPointerException(<span class="jxr_string">"name"</span>);
<a class="jxr_linenumber" name="294" href="#294">294</a>         }
<a class="jxr_linenumber" name="295" href="#295">295</a>         <strong class="jxr_keyword">return</strong> name2ctx.get(name);
<a class="jxr_linenumber" name="296" href="#296">296</a>     }
<a class="jxr_linenumber" name="297" href="#297">297</a> 
<a class="jxr_linenumber" name="298" href="#298">298</a>     <strong class="jxr_keyword">public</strong> <a href="../../../../org/jboss/netty/channel/ChannelHandlerContext.html">ChannelHandlerContext</a> getContext(<a href="../../../../org/jboss/netty/channel/ChannelHandler.html">ChannelHandler</a> handler) {
<a class="jxr_linenumber" name="299" href="#299">299</a>         <strong class="jxr_keyword">if</strong> (handler == <strong class="jxr_keyword">null</strong>) {
<a class="jxr_linenumber" name="300" href="#300">300</a>             <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> NullPointerException(<span class="jxr_string">"handler"</span>);
<a class="jxr_linenumber" name="301" href="#301">301</a>         }
<a class="jxr_linenumber" name="302" href="#302">302</a>         <strong class="jxr_keyword">for</strong> (StaticChannelHandlerContext ctx: contexts) {
<a class="jxr_linenumber" name="303" href="#303">303</a>             <strong class="jxr_keyword">if</strong> (ctx.getHandler() == handler) {
<a class="jxr_linenumber" name="304" href="#304">304</a>                 <strong class="jxr_keyword">return</strong> ctx;
<a class="jxr_linenumber" name="305" href="#305">305</a>             }
<a class="jxr_linenumber" name="306" href="#306">306</a>         }
<a class="jxr_linenumber" name="307" href="#307">307</a>         <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">null</strong>;
<a class="jxr_linenumber" name="308" href="#308">308</a>     }
<a class="jxr_linenumber" name="309" href="#309">309</a> 
<a class="jxr_linenumber" name="310" href="#310">310</a>     <strong class="jxr_keyword">public</strong> <a href="../../../../org/jboss/netty/channel/ChannelHandlerContext.html">ChannelHandlerContext</a> getContext(Class&lt;? <strong class="jxr_keyword">extends</strong> ChannelHandler&gt; handlerType) {
<a class="jxr_linenumber" name="311" href="#311">311</a>         <strong class="jxr_keyword">if</strong> (handlerType == <strong class="jxr_keyword">null</strong>) {
<a class="jxr_linenumber" name="312" href="#312">312</a>             <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> NullPointerException(<span class="jxr_string">"handlerType"</span>);
<a class="jxr_linenumber" name="313" href="#313">313</a>         }
<a class="jxr_linenumber" name="314" href="#314">314</a>         <strong class="jxr_keyword">for</strong> (StaticChannelHandlerContext ctx: contexts) {
<a class="jxr_linenumber" name="315" href="#315">315</a>             <strong class="jxr_keyword">if</strong> (handlerType.isAssignableFrom(ctx.getHandler().getClass())) {
<a class="jxr_linenumber" name="316" href="#316">316</a>                 <strong class="jxr_keyword">return</strong> ctx;
<a class="jxr_linenumber" name="317" href="#317">317</a>             }
<a class="jxr_linenumber" name="318" href="#318">318</a>         }
<a class="jxr_linenumber" name="319" href="#319">319</a>         <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">null</strong>;
<a class="jxr_linenumber" name="320" href="#320">320</a>     }
<a class="jxr_linenumber" name="321" href="#321">321</a> 
<a class="jxr_linenumber" name="322" href="#322">322</a>     <strong class="jxr_keyword">public</strong> List&lt;String&gt; getNames() {
<a class="jxr_linenumber" name="323" href="#323">323</a>         List&lt;String&gt; list = <strong class="jxr_keyword">new</strong> ArrayList&lt;String&gt;();
<a class="jxr_linenumber" name="324" href="#324">324</a>         <strong class="jxr_keyword">for</strong> (StaticChannelHandlerContext ctx: contexts) {
<a class="jxr_linenumber" name="325" href="#325">325</a>             list.add(ctx.getName());
<a class="jxr_linenumber" name="326" href="#326">326</a>         }
<a class="jxr_linenumber" name="327" href="#327">327</a>         <strong class="jxr_keyword">return</strong> list;
<a class="jxr_linenumber" name="328" href="#328">328</a>     }
<a class="jxr_linenumber" name="329" href="#329">329</a> 
<a class="jxr_linenumber" name="330" href="#330">330</a>     <strong class="jxr_keyword">public</strong> Map&lt;String, ChannelHandler&gt; toMap() {
<a class="jxr_linenumber" name="331" href="#331">331</a>         Map&lt;String, ChannelHandler&gt; map = <strong class="jxr_keyword">new</strong> LinkedHashMap&lt;String, ChannelHandler&gt;();
<a class="jxr_linenumber" name="332" href="#332">332</a>         <strong class="jxr_keyword">for</strong> (StaticChannelHandlerContext ctx: contexts) {
<a class="jxr_linenumber" name="333" href="#333">333</a>             map.put(ctx.getName(), ctx.getHandler());
<a class="jxr_linenumber" name="334" href="#334">334</a>         }
<a class="jxr_linenumber" name="335" href="#335">335</a>         <strong class="jxr_keyword">return</strong> map;
<a class="jxr_linenumber" name="336" href="#336">336</a>     }
<a class="jxr_linenumber" name="337" href="#337">337</a> 
<a class="jxr_linenumber" name="338" href="#338">338</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="339" href="#339">339</a> <em class="jxr_javadoccomment">     * Returns the {@link String} representation of this pipeline.</em>
<a class="jxr_linenumber" name="340" href="#340">340</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="341" href="#341">341</a>     @Override
<a class="jxr_linenumber" name="342" href="#342">342</a>     <strong class="jxr_keyword">public</strong> String toString() {
<a class="jxr_linenumber" name="343" href="#343">343</a>         StringBuilder buf = <strong class="jxr_keyword">new</strong> StringBuilder();
<a class="jxr_linenumber" name="344" href="#344">344</a>         buf.append(getClass().getSimpleName());
<a class="jxr_linenumber" name="345" href="#345">345</a>         buf.append('{');
<a class="jxr_linenumber" name="346" href="#346">346</a> 
<a class="jxr_linenumber" name="347" href="#347">347</a>         <strong class="jxr_keyword">for</strong> (StaticChannelHandlerContext ctx: contexts) {
<a class="jxr_linenumber" name="348" href="#348">348</a>             buf.append('(');
<a class="jxr_linenumber" name="349" href="#349">349</a>             buf.append(ctx.getName());
<a class="jxr_linenumber" name="350" href="#350">350</a>             buf.append(<span class="jxr_string">" = "</span>);
<a class="jxr_linenumber" name="351" href="#351">351</a>             buf.append(ctx.getHandler().getClass().getName());
<a class="jxr_linenumber" name="352" href="#352">352</a>             buf.append(')');
<a class="jxr_linenumber" name="353" href="#353">353</a>             buf.append(<span class="jxr_string">", "</span>);
<a class="jxr_linenumber" name="354" href="#354">354</a>         }
<a class="jxr_linenumber" name="355" href="#355">355</a>         buf.replace(buf.length() - 2, buf.length(), <span class="jxr_string">"}"</span>);
<a class="jxr_linenumber" name="356" href="#356">356</a>         <strong class="jxr_keyword">return</strong> buf.toString();
<a class="jxr_linenumber" name="357" href="#357">357</a>     }
<a class="jxr_linenumber" name="358" href="#358">358</a> 
<a class="jxr_linenumber" name="359" href="#359">359</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> sendUpstream(<a href="../../../../org/jboss/netty/channel/ChannelEvent.html">ChannelEvent</a> e) {
<a class="jxr_linenumber" name="360" href="#360">360</a>         <a href="../../../../org/jboss/netty/channel/StaticChannelPipeline.html">StaticChannelHandlerContext</a> head = getActualUpstreamContext(0);
<a class="jxr_linenumber" name="361" href="#361">361</a>         <strong class="jxr_keyword">if</strong> (head == <strong class="jxr_keyword">null</strong>) {
<a class="jxr_linenumber" name="362" href="#362">362</a>             logger.warn(
<a class="jxr_linenumber" name="363" href="#363">363</a>                     <span class="jxr_string">"The pipeline contains no upstream handlers; discarding: "</span> + e);
<a class="jxr_linenumber" name="364" href="#364">364</a>             <strong class="jxr_keyword">return</strong>;
<a class="jxr_linenumber" name="365" href="#365">365</a>         }
<a class="jxr_linenumber" name="366" href="#366">366</a> 
<a class="jxr_linenumber" name="367" href="#367">367</a>         sendUpstream(head, e);
<a class="jxr_linenumber" name="368" href="#368">368</a>     }
<a class="jxr_linenumber" name="369" href="#369">369</a> 
<a class="jxr_linenumber" name="370" href="#370">370</a>     <strong class="jxr_keyword">void</strong> sendUpstream(<a href="../../../../org/jboss/netty/channel/StaticChannelPipeline.html">StaticChannelHandlerContext</a> ctx, <a href="../../../../org/jboss/netty/channel/ChannelEvent.html">ChannelEvent</a> e) {
<a class="jxr_linenumber" name="371" href="#371">371</a>         <strong class="jxr_keyword">try</strong> {
<a class="jxr_linenumber" name="372" href="#372">372</a>             ((<a href="../../../../org/jboss/netty/channel/ChannelUpstreamHandler.html">ChannelUpstreamHandler</a>) ctx.getHandler()).handleUpstream(ctx, e);
<a class="jxr_linenumber" name="373" href="#373">373</a>         } <strong class="jxr_keyword">catch</strong> (Throwable t) {
<a class="jxr_linenumber" name="374" href="#374">374</a>             notifyHandlerException(e, t);
<a class="jxr_linenumber" name="375" href="#375">375</a>         }
<a class="jxr_linenumber" name="376" href="#376">376</a>     }
<a class="jxr_linenumber" name="377" href="#377">377</a> 
<a class="jxr_linenumber" name="378" href="#378">378</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> sendDownstream(<a href="../../../../org/jboss/netty/channel/ChannelEvent.html">ChannelEvent</a> e) {
<a class="jxr_linenumber" name="379" href="#379">379</a>         <a href="../../../../org/jboss/netty/channel/StaticChannelPipeline.html">StaticChannelHandlerContext</a> tail = getActualDownstreamContext(lastIndex);
<a class="jxr_linenumber" name="380" href="#380">380</a>         <strong class="jxr_keyword">if</strong> (tail == <strong class="jxr_keyword">null</strong>) {
<a class="jxr_linenumber" name="381" href="#381">381</a>             <strong class="jxr_keyword">try</strong> {
<a class="jxr_linenumber" name="382" href="#382">382</a>                 getSink().eventSunk(<strong class="jxr_keyword">this</strong>, e);
<a class="jxr_linenumber" name="383" href="#383">383</a>                 <strong class="jxr_keyword">return</strong>;
<a class="jxr_linenumber" name="384" href="#384">384</a>             } <strong class="jxr_keyword">catch</strong> (Throwable t) {
<a class="jxr_linenumber" name="385" href="#385">385</a>                 notifyHandlerException(e, t);
<a class="jxr_linenumber" name="386" href="#386">386</a>                 <strong class="jxr_keyword">return</strong>;
<a class="jxr_linenumber" name="387" href="#387">387</a>             }
<a class="jxr_linenumber" name="388" href="#388">388</a>         }
<a class="jxr_linenumber" name="389" href="#389">389</a> 
<a class="jxr_linenumber" name="390" href="#390">390</a>         sendDownstream(tail, e);
<a class="jxr_linenumber" name="391" href="#391">391</a>     }
<a class="jxr_linenumber" name="392" href="#392">392</a> 
<a class="jxr_linenumber" name="393" href="#393">393</a>     <strong class="jxr_keyword">void</strong> sendDownstream(<a href="../../../../org/jboss/netty/channel/StaticChannelPipeline.html">StaticChannelHandlerContext</a> ctx, <a href="../../../../org/jboss/netty/channel/ChannelEvent.html">ChannelEvent</a> e) {
<a class="jxr_linenumber" name="394" href="#394">394</a>         <strong class="jxr_keyword">if</strong> (e instanceof UpstreamMessageEvent) {
<a class="jxr_linenumber" name="395" href="#395">395</a>             <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IllegalArgumentException(<span class="jxr_string">"cannot send an upstream event to downstream"</span>);
<a class="jxr_linenumber" name="396" href="#396">396</a>         }
<a class="jxr_linenumber" name="397" href="#397">397</a> 
<a class="jxr_linenumber" name="398" href="#398">398</a>         <strong class="jxr_keyword">try</strong> {
<a class="jxr_linenumber" name="399" href="#399">399</a>             ((<a href="../../../../org/jboss/netty/channel/ChannelDownstreamHandler.html">ChannelDownstreamHandler</a>) ctx.getHandler()).handleDownstream(ctx, e);
<a class="jxr_linenumber" name="400" href="#400">400</a>         } <strong class="jxr_keyword">catch</strong> (Throwable t) {
<a class="jxr_linenumber" name="401" href="#401">401</a>             <em class="jxr_comment">// Unlike an upstream event, a downstream event usually has an</em>
<a class="jxr_linenumber" name="402" href="#402">402</a>             <em class="jxr_comment">// incomplete future which is supposed to be updated by ChannelSink.</em>
<a class="jxr_linenumber" name="403" href="#403">403</a>             <em class="jxr_comment">// However, if an exception is raised before the event reaches at</em>
<a class="jxr_linenumber" name="404" href="#404">404</a>             <em class="jxr_comment">// ChannelSink, the future is not going to be updated, so we update</em>
<a class="jxr_linenumber" name="405" href="#405">405</a>             <em class="jxr_comment">// here.</em>
<a class="jxr_linenumber" name="406" href="#406">406</a>             e.getFuture().setFailure(t);
<a class="jxr_linenumber" name="407" href="#407">407</a>             notifyHandlerException(e, t);
<a class="jxr_linenumber" name="408" href="#408">408</a>         }
<a class="jxr_linenumber" name="409" href="#409">409</a>     }
<a class="jxr_linenumber" name="410" href="#410">410</a> 
<a class="jxr_linenumber" name="411" href="#411">411</a>     <a href="../../../../org/jboss/netty/channel/StaticChannelPipeline.html">StaticChannelHandlerContext</a> getActualUpstreamContext(<strong class="jxr_keyword">int</strong> index) {
<a class="jxr_linenumber" name="412" href="#412">412</a>         <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = index; i &lt; contexts.length; i ++) {
<a class="jxr_linenumber" name="413" href="#413">413</a>             <a href="../../../../org/jboss/netty/channel/StaticChannelPipeline.html">StaticChannelHandlerContext</a> ctx = contexts[i];
<a class="jxr_linenumber" name="414" href="#414">414</a>             <strong class="jxr_keyword">if</strong> (ctx.canHandleUpstream()) {
<a class="jxr_linenumber" name="415" href="#415">415</a>                 <strong class="jxr_keyword">return</strong> ctx;
<a class="jxr_linenumber" name="416" href="#416">416</a>             }
<a class="jxr_linenumber" name="417" href="#417">417</a>         }
<a class="jxr_linenumber" name="418" href="#418">418</a>         <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">null</strong>;
<a class="jxr_linenumber" name="419" href="#419">419</a>     }
<a class="jxr_linenumber" name="420" href="#420">420</a> 
<a class="jxr_linenumber" name="421" href="#421">421</a>     <a href="../../../../org/jboss/netty/channel/StaticChannelPipeline.html">StaticChannelHandlerContext</a> getActualDownstreamContext(<strong class="jxr_keyword">int</strong> index) {
<a class="jxr_linenumber" name="422" href="#422">422</a>         <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = index; i &gt;= 0; i --) {
<a class="jxr_linenumber" name="423" href="#423">423</a>             <a href="../../../../org/jboss/netty/channel/StaticChannelPipeline.html">StaticChannelHandlerContext</a> ctx = contexts[i];
<a class="jxr_linenumber" name="424" href="#424">424</a>             <strong class="jxr_keyword">if</strong> (ctx.canHandleDownstream()) {
<a class="jxr_linenumber" name="425" href="#425">425</a>                 <strong class="jxr_keyword">return</strong> ctx;
<a class="jxr_linenumber" name="426" href="#426">426</a>             }
<a class="jxr_linenumber" name="427" href="#427">427</a>         }
<a class="jxr_linenumber" name="428" href="#428">428</a>         <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">null</strong>;
<a class="jxr_linenumber" name="429" href="#429">429</a>     }
<a class="jxr_linenumber" name="430" href="#430">430</a> 
<a class="jxr_linenumber" name="431" href="#431">431</a>     <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">void</strong> notifyHandlerException(<a href="../../../../org/jboss/netty/channel/ChannelEvent.html">ChannelEvent</a> e, Throwable t) {
<a class="jxr_linenumber" name="432" href="#432">432</a>         <strong class="jxr_keyword">if</strong> (e instanceof ExceptionEvent) {
<a class="jxr_linenumber" name="433" href="#433">433</a>             logger.warn(
<a class="jxr_linenumber" name="434" href="#434">434</a>                     <span class="jxr_string">"An exception was thrown by a user handler "</span> +
<a class="jxr_linenumber" name="435" href="#435">435</a>                     <span class="jxr_string">"while handling an exception event ("</span> + e + <span class="jxr_string">")"</span>, t);
<a class="jxr_linenumber" name="436" href="#436">436</a>             <strong class="jxr_keyword">return</strong>;
<a class="jxr_linenumber" name="437" href="#437">437</a>         }
<a class="jxr_linenumber" name="438" href="#438">438</a> 
<a class="jxr_linenumber" name="439" href="#439">439</a>         <a href="../../../../org/jboss/netty/channel/ChannelPipelineException.html">ChannelPipelineException</a> pe;
<a class="jxr_linenumber" name="440" href="#440">440</a>         <strong class="jxr_keyword">if</strong> (t instanceof ChannelPipelineException) {
<a class="jxr_linenumber" name="441" href="#441">441</a>             pe = (ChannelPipelineException) t;
<a class="jxr_linenumber" name="442" href="#442">442</a>         } <strong class="jxr_keyword">else</strong> {
<a class="jxr_linenumber" name="443" href="#443">443</a>             pe = <strong class="jxr_keyword">new</strong> <a href="../../../../org/jboss/netty/channel/ChannelPipelineException.html">ChannelPipelineException</a>(t);
<a class="jxr_linenumber" name="444" href="#444">444</a>         }
<a class="jxr_linenumber" name="445" href="#445">445</a> 
<a class="jxr_linenumber" name="446" href="#446">446</a>         <strong class="jxr_keyword">try</strong> {
<a class="jxr_linenumber" name="447" href="#447">447</a>             sink.exceptionCaught(<strong class="jxr_keyword">this</strong>, e, pe);
<a class="jxr_linenumber" name="448" href="#448">448</a>         } <strong class="jxr_keyword">catch</strong> (Exception e1) {
<a class="jxr_linenumber" name="449" href="#449">449</a>             logger.warn(<span class="jxr_string">"An exception was thrown by an exception handler."</span>, e1);
<a class="jxr_linenumber" name="450" href="#450">450</a>         }
<a class="jxr_linenumber" name="451" href="#451">451</a>     }
<a class="jxr_linenumber" name="452" href="#452">452</a> 
<a class="jxr_linenumber" name="453" href="#453">453</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../org/jboss/netty/channel/StaticChannelPipeline.html">StaticChannelHandlerContext</a> <strong class="jxr_keyword">implements</strong> <a href="../../../../org/jboss/netty/channel/ChannelHandlerContext.html">ChannelHandlerContext</a> {
<a class="jxr_linenumber" name="454" href="#454">454</a>         <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> index;
<a class="jxr_linenumber" name="455" href="#455">455</a>         <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> String name;
<a class="jxr_linenumber" name="456" href="#456">456</a>         <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../org/jboss/netty/channel/ChannelHandler.html">ChannelHandler</a> handler;
<a class="jxr_linenumber" name="457" href="#457">457</a>         <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">boolean</strong> canHandleUpstream;
<a class="jxr_linenumber" name="458" href="#458">458</a>         <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">boolean</strong> canHandleDownstream;
<a class="jxr_linenumber" name="459" href="#459">459</a>         <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">volatile</strong> Object attachment;
<a class="jxr_linenumber" name="460" href="#460">460</a> 
<a class="jxr_linenumber" name="461" href="#461">461</a>         <a href="../../../../org/jboss/netty/channel/StaticChannelPipeline.html">StaticChannelHandlerContext</a>(
<a class="jxr_linenumber" name="462" href="#462">462</a>                 <strong class="jxr_keyword">int</strong> index, String name, <a href="../../../../org/jboss/netty/channel/ChannelHandler.html">ChannelHandler</a> handler) {
<a class="jxr_linenumber" name="463" href="#463">463</a> 
<a class="jxr_linenumber" name="464" href="#464">464</a>             <strong class="jxr_keyword">if</strong> (name == <strong class="jxr_keyword">null</strong>) {
<a class="jxr_linenumber" name="465" href="#465">465</a>                 <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> NullPointerException(<span class="jxr_string">"name"</span>);
<a class="jxr_linenumber" name="466" href="#466">466</a>             }
<a class="jxr_linenumber" name="467" href="#467">467</a>             <strong class="jxr_keyword">if</strong> (handler == <strong class="jxr_keyword">null</strong>) {
<a class="jxr_linenumber" name="468" href="#468">468</a>                 <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> NullPointerException(<span class="jxr_string">"handler"</span>);
<a class="jxr_linenumber" name="469" href="#469">469</a>             }
<a class="jxr_linenumber" name="470" href="#470">470</a>             canHandleUpstream = handler instanceof ChannelUpstreamHandler;
<a class="jxr_linenumber" name="471" href="#471">471</a>             canHandleDownstream = handler instanceof ChannelDownstreamHandler;
<a class="jxr_linenumber" name="472" href="#472">472</a> 
<a class="jxr_linenumber" name="473" href="#473">473</a> 
<a class="jxr_linenumber" name="474" href="#474">474</a>             <strong class="jxr_keyword">if</strong> (!canHandleUpstream &amp;&amp; !canHandleDownstream) {
<a class="jxr_linenumber" name="475" href="#475">475</a>                 <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IllegalArgumentException(
<a class="jxr_linenumber" name="476" href="#476">476</a>                         <span class="jxr_string">"handler must be either "</span> +
<a class="jxr_linenumber" name="477" href="#477">477</a>                         ChannelUpstreamHandler.<strong class="jxr_keyword">class</strong>.getName() + <span class="jxr_string">" or "</span> +
<a class="jxr_linenumber" name="478" href="#478">478</a>                         ChannelDownstreamHandler.<strong class="jxr_keyword">class</strong>.getName() + '.');
<a class="jxr_linenumber" name="479" href="#479">479</a>             }
<a class="jxr_linenumber" name="480" href="#480">480</a> 
<a class="jxr_linenumber" name="481" href="#481">481</a>             <strong class="jxr_keyword">this</strong>.index = index;
<a class="jxr_linenumber" name="482" href="#482">482</a>             <strong class="jxr_keyword">this</strong>.name = name;
<a class="jxr_linenumber" name="483" href="#483">483</a>             <strong class="jxr_keyword">this</strong>.handler = handler;
<a class="jxr_linenumber" name="484" href="#484">484</a>         }
<a class="jxr_linenumber" name="485" href="#485">485</a> 
<a class="jxr_linenumber" name="486" href="#486">486</a>         <strong class="jxr_keyword">public</strong> <a href="../../../../org/jboss/netty/channel/Channel.html">Channel</a> getChannel() {
<a class="jxr_linenumber" name="487" href="#487">487</a>             <strong class="jxr_keyword">return</strong> getPipeline().getChannel();
<a class="jxr_linenumber" name="488" href="#488">488</a>         }
<a class="jxr_linenumber" name="489" href="#489">489</a> 
<a class="jxr_linenumber" name="490" href="#490">490</a>         <strong class="jxr_keyword">public</strong> <a href="../../../../org/jboss/netty/channel/ChannelPipeline.html">ChannelPipeline</a> getPipeline() {
<a class="jxr_linenumber" name="491" href="#491">491</a>             <strong class="jxr_keyword">return</strong> StaticChannelPipeline.<strong class="jxr_keyword">this</strong>;
<a class="jxr_linenumber" name="492" href="#492">492</a>         }
<a class="jxr_linenumber" name="493" href="#493">493</a> 
<a class="jxr_linenumber" name="494" href="#494">494</a>         <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">boolean</strong> canHandleDownstream() {
<a class="jxr_linenumber" name="495" href="#495">495</a>             <strong class="jxr_keyword">return</strong> canHandleDownstream;
<a class="jxr_linenumber" name="496" href="#496">496</a>         }
<a class="jxr_linenumber" name="497" href="#497">497</a> 
<a class="jxr_linenumber" name="498" href="#498">498</a>         <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">boolean</strong> canHandleUpstream() {
<a class="jxr_linenumber" name="499" href="#499">499</a>             <strong class="jxr_keyword">return</strong> canHandleUpstream;
<a class="jxr_linenumber" name="500" href="#500">500</a>         }
<a class="jxr_linenumber" name="501" href="#501">501</a> 
<a class="jxr_linenumber" name="502" href="#502">502</a>         <strong class="jxr_keyword">public</strong> <a href="../../../../org/jboss/netty/channel/ChannelHandler.html">ChannelHandler</a> getHandler() {
<a class="jxr_linenumber" name="503" href="#503">503</a>             <strong class="jxr_keyword">return</strong> handler;
<a class="jxr_linenumber" name="504" href="#504">504</a>         }
<a class="jxr_linenumber" name="505" href="#505">505</a> 
<a class="jxr_linenumber" name="506" href="#506">506</a>         <strong class="jxr_keyword">public</strong> String getName() {
<a class="jxr_linenumber" name="507" href="#507">507</a>             <strong class="jxr_keyword">return</strong> name;
<a class="jxr_linenumber" name="508" href="#508">508</a>         }
<a class="jxr_linenumber" name="509" href="#509">509</a> 
<a class="jxr_linenumber" name="510" href="#510">510</a>         <strong class="jxr_keyword">public</strong> Object getAttachment() {
<a class="jxr_linenumber" name="511" href="#511">511</a>             <strong class="jxr_keyword">return</strong> attachment;
<a class="jxr_linenumber" name="512" href="#512">512</a>         }
<a class="jxr_linenumber" name="513" href="#513">513</a> 
<a class="jxr_linenumber" name="514" href="#514">514</a>         <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> setAttachment(Object attachment) {
<a class="jxr_linenumber" name="515" href="#515">515</a>             <strong class="jxr_keyword">this</strong>.attachment = attachment;
<a class="jxr_linenumber" name="516" href="#516">516</a>         }
<a class="jxr_linenumber" name="517" href="#517">517</a> 
<a class="jxr_linenumber" name="518" href="#518">518</a>         <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> sendDownstream(<a href="../../../../org/jboss/netty/channel/ChannelEvent.html">ChannelEvent</a> e) {
<a class="jxr_linenumber" name="519" href="#519">519</a>             <a href="../../../../org/jboss/netty/channel/StaticChannelPipeline.html">StaticChannelHandlerContext</a> prev = getActualDownstreamContext(index - 1);
<a class="jxr_linenumber" name="520" href="#520">520</a>             <strong class="jxr_keyword">if</strong> (prev == <strong class="jxr_keyword">null</strong>) {
<a class="jxr_linenumber" name="521" href="#521">521</a>                 <strong class="jxr_keyword">try</strong> {
<a class="jxr_linenumber" name="522" href="#522">522</a>                     getSink().eventSunk(StaticChannelPipeline.<strong class="jxr_keyword">this</strong>, e);
<a class="jxr_linenumber" name="523" href="#523">523</a>                 } <strong class="jxr_keyword">catch</strong> (Throwable t) {
<a class="jxr_linenumber" name="524" href="#524">524</a>                     notifyHandlerException(e, t);
<a class="jxr_linenumber" name="525" href="#525">525</a>                 }
<a class="jxr_linenumber" name="526" href="#526">526</a>             } <strong class="jxr_keyword">else</strong> {
<a class="jxr_linenumber" name="527" href="#527">527</a>                 StaticChannelPipeline.<strong class="jxr_keyword">this</strong>.sendDownstream(prev, e);
<a class="jxr_linenumber" name="528" href="#528">528</a>             }
<a class="jxr_linenumber" name="529" href="#529">529</a>         }
<a class="jxr_linenumber" name="530" href="#530">530</a> 
<a class="jxr_linenumber" name="531" href="#531">531</a>         <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> sendUpstream(<a href="../../../../org/jboss/netty/channel/ChannelEvent.html">ChannelEvent</a> e) {
<a class="jxr_linenumber" name="532" href="#532">532</a>             <a href="../../../../org/jboss/netty/channel/StaticChannelPipeline.html">StaticChannelHandlerContext</a> next = getActualUpstreamContext(index + 1);
<a class="jxr_linenumber" name="533" href="#533">533</a>             <strong class="jxr_keyword">if</strong> (next != <strong class="jxr_keyword">null</strong>) {
<a class="jxr_linenumber" name="534" href="#534">534</a>                 StaticChannelPipeline.<strong class="jxr_keyword">this</strong>.sendUpstream(next, e);
<a class="jxr_linenumber" name="535" href="#535">535</a>             }
<a class="jxr_linenumber" name="536" href="#536">536</a>         }
<a class="jxr_linenumber" name="537" href="#537">537</a>     }
<a class="jxr_linenumber" name="538" href="#538">538</a> }
</pre>
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